Paramount ; an Academy Pictures A.G. production ; a Sam Spiegel-Elia Kazan film ; directed by Elia Kazan ; produced by Sam Spiegel ; screenplay by Harold Pinter
a Universal picture ; Frank Lloyd Productions, Inc. ; original screen play, Peter Viertel, Joan Harrison, Dorothy Parker ; associate producer, Jack H. Skirball ; directed by Alfred Hitchcock
Metro-Goldwyn-Mayer Pictures and United Artists present ; directed by Robert Redford ; written by Matthew Michael Carnahan ; produced by Robert Redford [and others] ; a Wildwood Enterprises/Brat Na Pont/Andell Entertainment production